Hillingdon is London's westernmost and second-largest borough by area, encompassing the towns of Uxbridge, Hayes, Ruislip, Northwood, and Heathrow Airport within a predominantly suburban landscape stretching from the Colne Valley to the London Green Belt. This outer London borough features extensive interwar and postwar development alongside significant green space and London's major international airport. The London climate brings mild temperatures with moderate rainfall, with the Colne Valley creating local microclimates and Heathrow's extensive surfaces generating unique environmental conditions. Culturally, Hillingdon maintains strong suburban identity with distinct communities across its towns, significant Asian populations particularly in Southall (known as 'Little India'), and established Jewish communities in Northwood and Ruislip. The area preserves important heritage including Brunel University's campus (built around the former Uxbridge) and RAF Uxbridge's Battle of Britain Bunker, while the Grand Union Canal and Colne Valley provide recreational opportunities. Heathrow dominates the local economy with extensive employment while Hayes maintains industrial heritage from the record industry (EMI's former factory). Boundary GIS data for Hillingdon London Borough Council is available for download in GeoJSON and KML formats, supporting management of London's largest borough, planning around the UK's busiest airport, and preserving green belt and suburban character.

📍 Administrative boundary of hillingdon local authority district

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